‘Mega-Earth’ planet discovered orbiting distant Sun-like star

Astronomers on Monday made a “big” announcement about exoplanets, and it is big – literally. Another new world has been discovered, which is quite routine now these days, but this one is different, and unexpected; a planet which is more than twice as large as Earth and about 17 times heavier, a sort of “mega-Earth” as some … Read more

Kepler phase 2: planet-hunting space telescope’s new mission proposal approved

There is some good news for planet-hunters this week: The proposed K2 mission extension for the Kepler Space Telescope has been been approved by NASA. The approval, based on a recommendation from the agency’s 2014 Senior Review, means that the Kepler mission will have at least two more years to continue its search for exoplanets, … Read more

Big discovery: first Earth-sized exoplanet in the habitable zone of another star

Today was another big day for those interested in space exploration, and the search for other Earth-like alien worlds in particular – the first Earth-sized exoplanet orbiting another star in the habitable zone has been discovered, it was announced by astronomers with the Kepler space telescope mission.

Exoplanet bonanza: Kepler confirms more than 700 new worlds

There was more exciting exoplanet news this week from the Kepler mission: the space telescope has confirmed 715 new exoplanets! This brings the current total number of such worlds to 1,766, of which 961 have been found by Kepler. There are still also 3,601 other Kepler planetary candidates awaiting confirmation.

Kepler discovers exoplanet which ‘wobbles like a toy top’

Most of us are used to the (usually) gradually changing seasons here on Earth, but astronomers have found an exoplanet where the changes are much more rapid and unpredictable because the planet wobbles like a toy top. The new discovery was announced yesterday, February 4, by scientists from the Kepler space telescope mission. The planet, … Read more

Kepler 2.0: how ailing space telescope could planet-hunt again

There was a lot of disappointment when it was announced that the crippled Kepler Space Telescope would not be able to continue its search for exoplanets after a malfunction left it unable to stabilize enough to focus properly. There was some comfort in the knowledge that there was still a lot of its original data to go … Read more

Billions of potentially Earth-like planets in our galaxy

Some exciting exoplanet news this week: based on the newest data from the Kepler space telescope, astronomers now estimate that there are billions of potentially habitable planets in our galaxy which are about the same size as Earth and orbit in the habitable zone of their stars, it was announced yesterday.